The 'Skyscraper' singer showed off her blossoming baby bump at each venue in a tight fitting black T-shirt, teamed with leather leggings and a stylish patterned jacket.
Sam, 36, is pregnant wither third child but hasn't slowed down her busy schedule.
And fans were impressed with her performance at Guilfest and Ponty Big Weekend, tweeting a slew of compliments in her direction.
"The emotion Sam Bailey puts into her songs just blows me away," wrote one, while another said: "Fair play to Sam Bailey, at seven months pregnant she pulled off one hell of a show! Favourite act by far at #ponty2014."
Sam's had a pretty incredible year since triumphing on the tenth series of X Factor in December 2013 under the tutelage of mentor Sharon Osbourne.
As well as preparing to welcome her third child, the former prison guard hit the number one spot in the chart with her debut album The Power of Love, enjoyed a successful turn on the 'X Factor Live Show' and got to open for Beyoncé on one of the diva's UK shows.
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